Panning machine



FIG. 1 is a top view of a panning machine showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a rear view thereof; and

FIG. 5 is a second side view thereof;

FIG. 6 is a bottom view thereof. 

The ornamental design for a panning machine, as shown. 